Special determinations gravimetry Precipitate of very fine particles such as barium sulfate and lead oxide, copper, zinc and nickel sulphide, the oxalate and calcium fluoride.

• 专门用于细微颗粒沉淀物的重量测定，如硫酸钡、氧化铅、硫酸铜、硫酸锌、硫酸镍、草酸盐以及氟化钙等。